Intelligent people have more zinc and copper in their hair.
233
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
The average woman uses her height in lipstick every 5 years.
146
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
There are about 255 babies born worldwide every minute.
46
Blonde hair is not exclusive to Europeans. Melanesians of the south Pacific evolved a different gene for blonde hair.
7
